<!DOCTYPE html>
<html >
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>网站测试中</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.4.1/dist/css/bootstrap.min.css" crossorigin="anonymous">
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    <style>
        html,body{height: 100%;}
        


    </style>
</head>
<body class="bg-info">
<div class="container-fluid h-100 text-white">
    <h1 class="d-flex flex-column justify-content-center align-items-center h-25 mb-0">网站内部测试中</h1>

    <div class="h-75 d-flex flex-column align-items-center ">
        <img src="" alt="">
        <div class="h5 mt-5" ><span id="show-time">10</span> 秒后跳转到首页</div>
        <a class="h5 text-white" href="/index">去首页</a>

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    </div>

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</body>
</html>
<script type="text/javascript">
    var _time = 10
    var _interval = setInterval(function(){
        if(_time<1){
            clearInterval(_interval)
            window.location.href = "/index";
        }
        _time--
        $("#show-time").text(_time)
    },1000)
</script>